petsc-3.14.6 2021-03-30
SNESLineSearchPostCheck
Prepares the line search for being applied.
Synopsis
#include "petscsnes.h"
PetscErrorCode SNESLineSearchPostCheck(SNESLineSearch linesearch,Vec X,Vec Y,Vec W,PetscBool *changed_Y,PetscBool *changed_W)
Logically Collective on SNESLineSearch
Input Parameters
| linesearch | - The linesearch context
|
| X | - The last solution
|
| Y | - The step direction
|
| W | - The updated solution, W = X + lambda*Y for some lambda
|
Output Parameters
| changed_Y | - Indicator if the direction Y has been changed.
|
| changed_W | - Indicator if the new candidate solution W has been changed.
|
See Also
SNESGetLineSearch(), SNESLineSearchPreCheck(), SNESLineSearchSetPostCheck(), SNESLineSearchGetPostCheck(), SNESLineSearchSetPrecheck(), SNESLineSearchGetPrecheck()
Level
developer
Location
src/snes/linesearch/interface/linesearch.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages